| 1306024 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 5473698 |
elder borer |
Desmocerus palliatus |
Desmocerus palliatus (elderberry borer) on a host plant (eastern red elderberry, Sambucus pubens) |
| 5473699 |
elder borer |
Desmocerus palliatus |
Desmocerus palliatus (elderberry borer) on a host plant (eastern red elderberry, Sambucus pubens) |
| 5473700 |
elder borer |
Desmocerus palliatus |
Desmocerus palliatus (elderberry borer) on a host plant (eastern red elderberry, Sambucus pubens) |
| 5445991 |
Japanese beetle |
Popillia japonica |
Japanese beetles (Popillia japonica) on elm leaf (Ulmus spp.) |
| 5445975 |
northeastern sawyer |
Monochamus notatus |
northeastern pine sawyer (Monochamus notatus) |
| 5445976 |
northeastern sawyer |
Monochamus notatus |
northeastern pine sawyer (Monochamus notatus) |
| 5443046 |
multicolored Asian lady beetle |
Harmonia axyridis |
This is a picture of a newly hatched adult ladybug still holding to its exuvia.The beetle is in the process of deploying its wings for the first time. |
| 5443047 |
multicolored Asian lady beetle |
Harmonia axyridis |
This is a picture of a newly hatched adult ladybug still holding to its exuvia.The beetle is in the process of deploying its wings for the first time. |
| 5443048 |
multicolored Asian lady beetle |
Harmonia axyridis |
This is a picture of a newly hatched adult ladybug still holding to its exuvia.The beetle is in the process of deploying its wings for the first time. |
| 5443049 |
multicolored Asian lady beetle |
Harmonia axyridis |
This is a picture of a newly hatched adult ladybug still holding to its exuvia.The beetle is in the process of deploying its wings for the first time. |
| 1193010 |
Asian longhorned beetle |
Anoplophora glabripennis |
female chewing an oviposition site on red oak |
| 1193002 |
Asian longhorned beetle |
Anoplophora glabripennis |
oviposition site on a small red maple |
| 1193004 |
Asian longhorned beetle |
Anoplophora glabripennis |
oviposition site on red oak |
| 1193005 |
Asian longhorned beetle |
Anoplophora glabripennis |
oviposition site and adult feeding damage on sugar maple |
| 1306046 |
pine engraver |
Ips pini |
in British Columbia |
| 1306044 |
pine engraver |
Ips pini |
in gallery |
| 1306018 |
spruce beetle |
Dendroctonus rufipennis |
tree mortality in southern British Columbia |
| 1306045 |
pine engraver |
Ips pini |
in British Columbia |
| 1306004 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1306007 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1306008 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1306002 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tube |
| 1929048 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
|
| 0021098 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 1929051 |
Canada thistle bud weevil |
Larinus planus |
|
| 1929049 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
in stem |
| 1929052 |
Canada thistle bud weevil |
Larinus planus |
in seed head |
| 0022078 |
black-margined loosestrife beetle |
Galerucella calmariensis |
|
| 0022081 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 0022076 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 1929050 |
Canada thistle bud weevil |
Larinus planus |
|
| 0022077 |
black-margined loosestrife beetle |
Galerucella calmariensis |
|
| 1306040 |
bark beetle |
Ips latidens |
|
| 0177056 |
tuber flea beetle |
Epitrix tuberis |
Close up of potato tuber with dark suberized markings, corresponding to the end of tunnels due to larvae |
| 0177057 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber in longitudinal section, showing tunnels due to larvae |
| 1439004 |
emerald ash borer |
Agrilus planipennis |
damage to red ash stand |
| 1439009 |
emerald ash borer |
Agrilus planipennis |
opened bark to expose galleries |
| 1306035 |
bark beetle |
Ips latidens |
teneral adult in gallery |
| 1439008 |
emerald ash borer |
Agrilus planipennis |
new exit hole |
| 1439007 |
emerald ash borer |
Agrilus planipennis |
larval tunnels |
| 1249001 |
emerald ash borer |
Agrilus planipennis |
crown thinning |
| 1439005 |
emerald ash borer |
Agrilus planipennis |
|
| 1306001 |
mountain pine beetle |
Dendroctonus ponderosae |
mass attack |
| 1439006 |
emerald ash borer |
Agrilus planipennis |
|
| 1306019 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1306003 |
mountain pine beetle |
Dendroctonus ponderosae |
gallery pattern inside bark |
| 1306010 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1249006 |
emerald ash borer |
Agrilus planipennis |
exposed larval galleries of current year attack to 10-year old sapling |
| 5137036 |
brown spruce longhorn beetle |
Tetropium fuscum |
Tetropium fuscum neonate larva and egg X25 magnification; August, 2000 |